Thứ Năm, 28 tháng 7, 2016

NPR News: Oyster Archaeology: Ancient Trash Holds Clues To Sustainable Harvesting

Oyster Archaeology: Ancient Trash Holds Clues To Sustainable Harvesting
Modern-day oyster populations in the Chesapeake are dwindling, but a multi-millennia archaeological survey shows that wasn't always the case. Native Americans harvested the shellfish sustainably.

Đọc thêm tại NPR
at July 28, 2016 at 06:00PM
Health & Science

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